Acts 18:6 But when they opposed him and blasphemed, he shook his garments and said to them, “Your blood be upon your own heads; I am clean. From now on I will go to the Gentiles.”
Paul continued to try to reach out to the Jews with the Gospel message, but time and time again they refused to listen to the truth.
We need to listen to what God is telling us, especially when He is telling us something we don’t like because we are less likely to want to do that.
Paul was directed to reach out to all people and not just the Jews; at this stage the foolishness of the Jews was just too much and he dusted his feet for the last time on them.